And, thanks to fewer homicides, the SFPD has manage to improve its clearance rate, closing 70 percent of cases, double the number from the last two years.
But New York City has been using "zone policing" for a decade, and also had a record-low muder rate this year, suggesting that people in American cities are just a little less blood thirsty than usual. So what might the real reasons be?
Most everyone has had trouble making ends meet of late, and have you seen the price of ammunition these days?
Recent reports show drugs like cocaine being cut with animal deworming medication, possibly making heavy users sick. And a sick cokehead is a less twitchy, stabby cokehead.
With housing prices falling, you don't have to wait for someone to die -- or kill them yourself -- to find a relatively inexpensive apartment.
Like anything else, the murder business has been outsourced -- probably to Mexico, where a good hit man costs much less per hour than San Francisco's minimum wage.
Everyone with homicide expertise has been appointed by Newsom to blue-ribbon panels, taking them off the streets where they might have used their experience less constructively.
Homicidal killers, tired of the disposable culture of cheap and easymurder, have embraced a new "slow death" movement, killing less and focusing on quality, not quantity.
Thanks to Tom Ammiano's efforts to make Healthy San Francisco a reality, more people have coverage and are actually on their meds for a change.
Jackson West feels as safe as ever, actually, and no thanks to anyone at City Hall.